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Consolidated Statements of Comprehensive Income Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 24, 2017
Dec. 25, 2016
Dec. 24, 2017
Dec. 25, 2016
Statement of Comprehensive Income [Abstract]        
Tax (expense) benefit on net unrealized gain (loss) on available-for-sale securities $ 0 $ 2,357 $ 0 $ 2,556